Think of the Exposure Piggyback Single Cell as a portable charger for your Exposure Smart Port Technology equipped lights. It works by recharging your light as you use it.
Contained in the Single Cell's weatherproof housing is a 2600mAh Lithium Ion rechargeable battery and the kit includes a neat mount and velcro strap to mate very well with Exposure's lights, so you essentially wrap the Piggyback to your light.
Manufacturer's Description
Piggyback batteries give you peace of mind for safety and security by extending your burn times.
The Piggyback battery works by recharging the light as you use it.
If plugged in when the light unit is fully charged, all the light modes are available. If the light's internal battery is below 50% charge then only medium and low settings will be available when the Piggyback battery is connected.
Machined plastic case with connector and fitting parts.
Weighs 78g